I have had the same experience as you, I am now on day 7 of my juice fast and nothing has happened. I haven't had any symptoms, I haven't felt better or worse, haven't been tired or energetic, I have just felt the same as normal, just slightly more hungry.
I don't believe its because im toxin free, the amount of crap I have put in my system over the years and even recently there must be something there.
Has there been any changes with you since you last posted?